The Northtech NT 555-532 Overarm Pin Router sports an efficient three-phase 5 HP motor with a maximum spindle speed of 17,800 RPM. The machine comes standard with ¼”, ⅜”, and ½” collets (and matching guide pins) to accommodate a variety of tooling. Vertical spindle movement is pneumatically controlled via foot pedal and allows for custom adjustment to both initial and final plunge speed.